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Batched Key Access Speeds Up Disk-Bound Join Queries

by SSWUG Research

(Øystein Grøvlen) A new feature in MySQL 5.6.3 Development Milestone Release is Batched Key Access (BKA). BKA can be applied when an index lookup can be used to execute a join query. One example of such a query is:

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Batched Key Access Speeds Up Disk-Bound Join Queries

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